Mark me brainlyiest and the answer is b I know becuase I took the test
Answer:
C & D
Step-by-step explanation:
x² + 3x - 3 = 0
a = co efficient of x² = 1
b= co efficient of x = 3
c = constant = -3
roots = (-b ±
)/2a
= (-3±
)/2*1
= (-3±
)/2
= (-3±√21)/2

jimmy had 4x2/3 tacos he didnt know how many he had so he asked his mom and jimmys mom said that he had to do the math and when he figured out the answer he got 2/3 x 4 = 8/3 in fraction form. 2/3 x 4 = 2.6667 in decimal form. and his mom was proud of him
A={2,3,5}
B={1,3,4}
A∩B={3}
R: a. {3}
Answer:
13
Step-by-step explanation:
(3-2i)(3+2i) = 9 + 6i - 6i - 4i^2
9 - 4i^2
9 + 4 = 13